Shaft coupling hub



FIG. 1 is a left front perspective view of a shaft coupling hub;

FIG. 2 is a right front perspective view of the shaft coupling hub ofFIG. 1;

FIG. 3 is a front view of the shaft coupling hub of FIG. 1;

FIG. 4 is a back view of the shaft coupling hub of FIG. 1;

FIG. 5 is a left side view of the shaft coupling hub of FIG. 1;

FIG. 6 is a right side view of the shaft coupling hub of FIG. 1;

FIG. 7 is a top view of the shaft coupling hub of FIG. 1;

FIG. 8 is a bottom view of the shaft coupling hub of FIG. 1; and,

FIG. 9 is a perspective view of a shaft coupling hub shown in a state ofuse.

The broken lines shown in the drawings are for the purpose of depictingportions of the article that form no part of the claim. The broken linesshown in FIG. 9 are for the purpose of illustrating environment thatforms no part of the claim.

CLAIM The ornamental design for a shaft coupling hub, as shown anddescribed.